ramnit | 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c

General

Target

280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe
Size

1012KB
MD5

469f2cccb3b3f3d3a275b854d47e7587
SHA1

7ca9ee855ce370e75715be748874bad2e4628160
SHA256

280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c
SHA512

3f16750b39338f5f3b2ef63bc1c6a154aa241041f154954b1091a3c147de119449c273c3f10ea3f426e784e67a2dc3d30e81bdb0fed845de6063d135715cd354

Score

10^/10

ramnit banker evasion spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 2 IoCs

Processes:

280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeDesktopLayer.exe

pid process

3552 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
2068 DesktopLayer.exe
Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

pid	process
3552	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
2068	DesktopLayer.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/3552-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2068-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/3976-130-0x0000000000110000-0x0000000000215000-memory.dmp	autoit_exe
behavioral2/memory/3976-142-0x0000000000110000-0x0000000000215000-memory.dmp	autoit_exe

Drops file in Program Files directory 3 IoCs

Processes:

280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxB5B8.tmp	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe

Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

1864 sc.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4628 taskkill.exe

pid	process
1864	sc.exe

pid	process
4628	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30966075"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3855080929"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30966075"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3855080929"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362119669"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30966075"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{104296F5-ED2F-11EC-B274-7A7C173711D6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3992267221"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30966075"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3992267221"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4540 PING.EXE

pid	process
4540	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
2068	DesktopLayer.exe
2068	DesktopLayer.exe
2068	DesktopLayer.exe
2068	DesktopLayer.exe
2068	DesktopLayer.exe
2068	DesktopLayer.exe
2068	DesktopLayer.exe
2068	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4264 iexplore.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4628 taskkill.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4264 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4264 iexplore.exe
4264 iexplore.exe
3096 IEXPLORE.EXE
3096 IEXPLORE.EXE
3096 IEXPLORE.EXE
3096 IEXPLORE.EXE

pid	process
4264	iexplore.exe

description	pid	process
Token: SeDebugPrivilege	4628	taskkill.exe

pid	process
4264	iexplore.exe

pid	process
4264	iexplore.exe
4264	iexplore.exe
3096	IEXPLORE.EXE
3096	IEXPLORE.EXE
3096	IEXPLORE.EXE
3096	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeDesktopLayer.execmd.execmd.exeiexplore.exe

description	pid	process	target process
PID 3976 wrote to memory of 3552	3976	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
PID 3976 wrote to memory of 3552	3976	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
PID 3976 wrote to memory of 3552	3976	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
PID 3552 wrote to memory of 2068	3552	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe	DesktopLayer.exe
PID 3552 wrote to memory of 2068	3552	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe	DesktopLayer.exe
PID 3552 wrote to memory of 2068	3552	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe	DesktopLayer.exe
PID 2068 wrote to memory of 4264	2068	DesktopLayer.exe	iexplore.exe
PID 2068 wrote to memory of 4264	2068	DesktopLayer.exe	iexplore.exe
PID 3976 wrote to memory of 5088	3976	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe	cmd.exe
PID 3976 wrote to memory of 5088	3976	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe	cmd.exe
PID 5088 wrote to memory of 1864	5088	cmd.exe	sc.exe
PID 5088 wrote to memory of 1864	5088	cmd.exe	sc.exe
PID 3976 wrote to memory of 1192	3976	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe	cmd.exe
PID 3976 wrote to memory of 1192	3976	280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe	cmd.exe
PID 1192 wrote to memory of 4540	1192	cmd.exe	PING.EXE
PID 1192 wrote to memory of 4540	1192	cmd.exe	PING.EXE
PID 4264 wrote to memory of 3096	4264	iexplore.exe	IEXPLORE.EXE
PID 4264 wrote to memory of 3096	4264	iexplore.exe	IEXPLORE.EXE
PID 4264 wrote to memory of 3096	4264	iexplore.exe	IEXPLORE.EXE
PID 1192 wrote to memory of 4628	1192	cmd.exe	taskkill.exe
PID 1192 wrote to memory of 4628	1192	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe
"C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3976

C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3552

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2068

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4264

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4264 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3096

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c SC delete Updateuser
2⤵
- Suspicious use of WriteProcessMemory
PID:5088

C:\Windows\system32\sc.exe
SC delete Updateuser
3⤵
- Launches sc.exe
PID:1864

C:\Windows\SYSTEM32\cmd.exe
cmd /c ping 127.0.0.1 -n 2 & taskkill /f /pid "3976"& del /q/f/a "C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:4540

C:\Windows\system32\taskkill.exe
taskkill /f /pid "3976"
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

Modify Registry

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1192-141-0x0000000000000000-mapping.dmp

Download
memory/1864-140-0x0000000000000000-mapping.dmp

Download
memory/2068-134-0x0000000000000000-mapping.dmp

Download
memory/2068-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3552-131-0x0000000000000000-mapping.dmp

Download
memory/3552-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3976-130-0x0000000000110000-0x0000000000215000-memory.dmp

Filesize
1.0MB

Download
memory/3976-142-0x0000000000110000-0x0000000000215000-memory.dmp

Filesize
1.0MB

Download
memory/4540-143-0x0000000000000000-mapping.dmp

Download
memory/4628-144-0x0000000000000000-mapping.dmp

Download
memory/5088-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads